package com.zzyl.serve.service.impl;

import java.time.LocalDateTime;
import java.util.List;

import cn.hutool.core.date.LocalDateTimeUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.utils.DateUtils;

import com.zzyl.serve.vo.ReservationVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.serve.mapper.ReservationMapper;
import com.zzyl.serve.domain.Reservation;
import com.zzyl.serve.service.IReservationService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

import java.util.Arrays;

/**
 * 预约信息Service业务层处理
 *
 * @author baefengk2
 * @date 2025-03-12
 */
@Service
public class ReservationServiceImpl extends ServiceImpl<ReservationMapper, Reservation> implements IReservationService {
    @Autowired
    private ReservationMapper reservationMapper;

    /**
     * 查询预约信息
     *
     * @param id 预约信息主键
     * @return 预约信息
     */
    @Override
    public Reservation selectReservationById(Long id) {
        return getById(id);
    }

    /**
     * 查询预约信息列表
     *
     * @param reservation 预约信息
     * @return 预约信息
     */
    @Override
    public List<Reservation> selectReservationList(Reservation reservation) {
        return reservationMapper.selectReservationList(reservation);
    }

    /**
     * 新增预约信息
     *
     * @param reservation 预约信息
     * @return 结果
     */
    @Override
    public int insertReservation(Reservation reservation) {
        reservation.setType(0);
        reservation.setStatus(0);
        return save(reservation) ? 1 : 0;
    }

    /**
     * 修改预约信息
     *
     * @param reservation 预约信息
     * @return 结果
     */
    @Override
    public int updateReservation(Reservation reservation) {
        return updateById(reservation) ? 1 : 0;
    }

    /**
     * 批量删除预约信息
     *
     * @param ids 需要删除的预约信息主键
     * @return 结果
     */
    @Override
    public int deleteReservationByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除预约信息信息
     *
     * @param id 预约信息主键
     * @return 结果
     */
    @Override
    public int deleteReservationById(Long id) {
        return removeById(id) ? 1 : 0;
    }

    /**
     * 查询当天取消预约数量
     *
     * @return
     */
    @Override
    public Long getCancelledReservationCount() {

        long time = System.currentTimeMillis();
        LocalDateTime ldt = LocalDateTimeUtil.of(time);
        LocalDateTime startTime = ldt.toLocalDate().atStartOfDay();
        LocalDateTime endTime = startTime.plusDays(1);

        LambdaQueryWrapper<Reservation> lqw = new LambdaQueryWrapper<Reservation>()
                .eq(Reservation::getStatus, 2)
                .eq(Reservation::getUpdateBy, 2)
                .between(Reservation::getUpdateTime, startTime, endTime);

        return reservationMapper.selectCount(lqw);
    }

    /**
     * 查询每个时间段剩余预约次数
     *
     * @return
     */
    @Override
    public List<ReservationVo> getReservationCountByTime() {
        return reservationMapper.getReservationCountByTime();
    }
}
